1) per the rules of the Animal Birth Control (Dog), removal of stray dogs is illegal. MCD or any NGO can take the dogs away for sterilisation but then they have to be left where they were picked up from
2) Get in touch with the MCD who will forward the request to NGOs such as Jeev Ashram and Friendicoes for sterilisation.
3) Friendicoes: [deleted], [deleted], [deleted]Jeev Ashram: [deleted], [deleted], [deleted]Animal India Trust: [deleted], [deleted]Animal Hospital and Shelter, Noida: [deleted]Sanjay Gandhi Animal Care Centre: [deleted], [deleted]Pet Animal Welfare Society: [deleted]